Question about Samsung P2370HD 23" HD LCD Monitor

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Syncmaster p2470hd the light go off after some seconds

I have no light on this Tv display, after 2-3 second become black. The lamps are OK. Someone could help me with solution or schematic diagram, please?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Samsung SyncMaster 204B

Got the same problem, happened yesterday for me, Did some research and it looks like its bad capacitors in the back, check out this page for more information... i'm taking mine to an electrician to fix today... luckily he's related and should be able to fix it on the cheap...

http://pavel.kirkovsky.com/blog/2009/03/samsung-syncmaster-204b-repair/

Posted on Jun 01, 2009

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SOURCE: syncmaster 320 p screen goes blanc after 2 seconds

I just fixed two of these by replacing electrolytic capacitors in the power supply (in one unit, just the 2x1500uF smoothing caps, in the other I also had to replace a couple of 470uF). Diagnosed solely on the basis of the caps having 'swollen' tops (indicating that the electrolyte has dried?). Make sure you use 105 deg capacitors of the correct voltage. Symptoms were exactly as you describe.

Posted on Nov 03, 2009

  • 1 Answer

SOURCE: samsung syncmaster 920nw 19 goes black after 2 seconds

Samsung syncmaster 920nw 19 goes black after 2 seconds

Posted on Dec 15, 2009

budmrtn
  • 11361 Answers

SOURCE: Monitor displays for 2 seconds and goes black,

Please read below:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

Posted on May 08, 2010

SOURCE: samsung syncmaster 920wm after a few seconds from

Hello,

The picture board on your monitor is bad, since it goes off after few seconds and the power led or button is on, it means the picture board of your monitor has developed fault and will need to be replace.

I advice you replace the picture board on the screen of your monitor to solve the problem of the blank screen.

Take care.

Posted on Jul 18, 2010

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1 Answer

Trying to replace lamp in HDTV and having trouble. Does not function correctly after putting in new bulb. Boots up and then visuals go black and the green power light keeps flashing. Help?


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Make sure its an original Osram or Philips bulb inside the housing. If its a cheap lamp it will act this way. If it is an original lamp, then you may have a power supply issue. It shouldn't affect your TV but you may want to try resetting the lamp timer by following the instructions that came with the lamp.

TY-LA1001 Timer reset

While pressing the VOL- button on the projection display, hold down the number 0 button on the remote control at the same time for more than 5 seconds.

Aug 15, 2015 | Panasonic Pt-52lcx16 Projection Television

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Wd-52627 tv turns off on its own,then solid red light


I just replaced my lamp and it worked for a day. TV only gives me sound. Black screen. Light goes from green to red lamp light after about 30 seconds. Did you get a fix?

Jun 04, 2014 | Mitsubishi WD-52627 52" Television

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Status light is blinking red, power button orange nec vt700


Hello
Look at the number of blinks of the status light.
[1] If it blinks at one cycle (0.5seconds On and 2.5seconds OFF) : Lamp cover error or lamp housing error. Replace the lamp cover or lamp housing correctly.
[2] If it blinks 2 cycles (0.5 seconds ON and 0.5 seconds OFF): Temperature error. The projector is overheated. Move the projector to a cooler position.
[3] if it blinks at 4 cycles (0.5 seconds ON and 0.5 seconds OFF): Fan error. Fans sill not work correctly.
[4] If it bliks at 6 cycles (0.5 seconds ON and 0.5 seconds OFF): Lamp fails to light. Wait a full minute and then turn on again.
[5] If it blinks continous (Red): Lamp has reached the end of its life. Lamp replacement messege will be displayed. Replace Lamp with same type and number. After replacement reset lamp hour. OK.

Sep 10, 2011 | NEC VT700 Projector

1 Answer

Tv desn't turn on,power light just flashes ten times and then stops and then again


Error Indication Information
Error No. Error Information ERROR DESCRIPTION LAMP LED OSD LAMP OFF
(Note 3) (Note 4)
POWER LED TEMP LED
Note:
1.When any of the above errors has occurred, the LED will flash as shown above every 5 seconds.
2.When two or more errors have occurred at the same time, the LED will light up or flash as shown above, and then
change to another every 5 seconds in turn.
3.Warning OSD appears when the Air Filter is clogged 90%, accumulated operation time of the Lamp reaches 5000 hours,
or accumulated operation time of the Air Filter reaches 400 hours.
4.LAMP OFF: The LED will flash right after the Lamp goes off.
5.IC2301 is mounted on LCD Main C.B.A. which is included in the Projection Unit.
6.IC6001 is mounted on TV Main C.B.A.
Clogged air filter
more than 90%
15)
16)
17)
18)
1)
2)
3)
4)
5)
6)
7)
11)
8)
9)
10)
12)
13)
14)
- flashes 5 times -
every 5 seconds
IC2301(pin82) detects the clogged air filter, then indicates the
error when the air filter is clogged 90%.
Front Fan stop or
Lamp Fan stop
flashes orange
once every
5 seconds
- -
IC2301(pin12) detects the Front FAN stop or Lamp
FAN stop, then indicates the error when the Front FAN
or Lamp FAN is stopped.
Lamp Cover open
Temperature Sensor
short or open
flashes orange
twice every
5 seconds
flashes orange
3 times every
5 seconds
flashes green for
140 seconds.
flashing red for
60 seconds.
light up red.
flashes once
every 5 seconds
flashes once
every 5 seconds
flashes red for
10 minutes
flashes once
every 5 seconds
-
-
-
-
Abnormal
Temperature
flashes twice
every 5 seconds
flashes twice
every 5 seconds
- -
Request for Lamp
Replacement - - lights up
Power Ballast Error
(abnormal
Lamp voltage)
- -
flashes 3 times
every 5 seconds
Power Ballast Error
(abnormal
temperature)
- -
flashes 4 times
every 5 seconds
Power Ballast Error
(other causes) - -
- -
Request for Filter
Cleaning -
Abnormal Voltage
on 16 V line of
LCD Main C.B.A.
-
flashes twice
every 5 seconds
flashes twice
every 5 seconds
Abnormal Voltage
on 14 V line of
LCD Main C.B.A.
-
flashes 3 times
every 5 seconds
flashes 3 times
every 5 seconds
Abnormal Voltage
on 7 V line of
LCD Main C.B.A.
-
flashes 4 times
every 5 seconds
flashes 4 times
every 5 seconds
IC2301(pin76) detects the Lamp Cover Unit condition
(open or close), then indicates the error when the
Lamp Cover Unit is open.
IC6001(pin85) detects the Duct FAN stop, then
indicates the error when the Duct FAN is stopped.
IC2301(pin74 and 75) detects open or short of the Temperature
Sensor (R2911) on Front Thermistor C.B.A., then indicates the
error when Temperature Sensor is open or shorted.
(The error is not detected for 1 minute after Lamp ON.)
IC2301(pin74 and 75) detects the temperature attached near
the Front FAN by the Temperature Sensor (R2911) on Front
Thermistor C.B.A., then indicates the error when the
temperature becomes more than 43 C (109 F).
(The error is not detected for 1 minute after Lamp ON.)
IC6001(pin86 and 87) detects open or short of the
Temperature Sensor (R2901) on Lamp Thermistor C.B.A.,
then indicates the error when Temperature Sensor is open or
shorted.
(The error is not detected for 4 minutes after Lamp ON.)
IC2301(pin74 and 75) detects the temperature attached near
the Lamp by the Temperature Sensor (R2901) on Lamp
Thermistor C.B.A., then indicates the error when the
temperature becomes more than 60 C (140 F).
(The error is not detected for 4 minutes after Lamp ON.)
IC2301(pin11) detects the error of LCD Power C.B.A.,
then indicates the error when the temperature fuse
(117 C)(243 F) in LCD Power C.B.A. is open.
IC2301(pin11) detects the error of LCD Power C.B.A. and Lamp,
then indicates the error when an inner malfunction of LCD Power
C.B.A. occurs, the Lamp voltage becomes more than 130V or
less than 30V, Lamp current becomes more than 5A, or the Lamp
is cracked.
IC2301(pin11) detects the error of the Lamp, then indicates the
error when the Lamp is short-circuit.
IC2301(pin48) detects +16V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +13V.
IC2301(pin47) detects +14V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +11V.
IC2301(pin45) detects +7V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +5.7V.
IC2301(pin44) detects +3.3V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +2.5V.
flashes 3 times
every 5 seconds
flashes 4 times
every 5 seconds
Abnormal Voltage
on 3.3 V line of
LCD Main C.B.A.
-
-
-
- flashes 5 times
every 5 seconds
Forced cooling
The failure of Lamp
light up
-
Temperature Sensor
short or open
-
-
Abnormal
Temperature
Duct Fan stop -
When accumulated operation time of the the Lamp reaches
5000 hours, OSD (replacing the Lamp) appears on the screen.
Note: The Lamp time is stored in EEPROM (IC2305).
When accumulated operation time of the Air Filter reaches 400
hours, OSD (cleaning the Air Filter) appears on the screen.
Note: The Filter time is stored in EEPROM (IC2305).
During forced cooling, this indication is indicated.
IC2301 (pin11) detects the failure of light up processing of
the Lamp, then the POWER LED is changed as follows.
1) POWER LED flashes green for 140 seconds (while turning on).
2) POWER LED flashes red for 60 seconds (while cooling).
3) POWER LED lights up red (standby).
Note: If the Lamp will not light after attempting turning on the
power 2 or 3 times, the Lamp, the LCD Power C.B.A. or the
LCD Main C.B.A. may be defective.
Error Symptom Problem Possible Solutio

May 30, 2010 | Panasonic Viera TH-50PX80U Plasma TV

1 Answer

Monitor displays for 2 seconds and goes black, turn off and on and it runs for 2 seconds and goes black again! What is a quick diagnosis? Also, the self diagnostic does not display so it is a problem!


Please read below:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

May 08, 2010 | Samsung SyncMaster 920NW Monitor

1 Answer

Monitor will flash the display for a second then go black again.


Most common failure in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://www.badcaps.net
http://en.wikipedia.org/wiki/Capacitor_plague

Apr 12, 2010 | Samsung SyncMaster 930B 19" LCD Flat Panel...

1 Answer

No light and the green light becomes red after 10 to 15 seconds


one of the fans might not be running, or the lamp isn't striking. check the fans and check the lamp for bulges, black spots, fogging, or flaking and replace if necessary. if the fans and the lamp are ok, replace the ballast.

Jan 29, 2010 | Sanyo PLC XU35 Multimedia Projector

2 Answers

Monitor goes blank after 3 seconds -Samsung SyncMaster 920NW


Could be a power issue. If it doesn't show anything at all then that may be the case. It may also be the display itself. It would be a costly repair so you might be better off finding a new monitor.

Sep 16, 2009 | Samsung SyncMaster 920NW Monitor

1 Answer

TV screen turned on for only 10-15 secs then self turn off, followed soon after by the tv power another 10-15 seconds later. if i try this a few times screen wont light up at all.Is it the TV Lamp?


1) Can be dust do a good clean
2)Check for the fuse and change it if needed.
3) Capacitor needs to be changed, you'll have to findout which one.

Hope it helps, good luck

May 19, 2009 | LG RU-52SZ51D 52" Rear Projection...

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